Note. Before removing the brake pads, if they are not to be replaced, carefully note their positions in order to reinstall them. Never depress the brake pedal when the brake pads have been removed. Brake pads must only be replaced in pairs at the same time on both brake mechanisms. Brake coolant wear can be checked without removing the wheels using a feeler gauge that is inserted between the caliper and the wheel disk. The clearance is checked between the hold-down spring and the brake shoe lining backing.
Remove support.
Remove the protective cap from the cylinder, after removing the retaining ring.
Insert a wooden spacer between the caliper and piston so as not to damage the piston on the surface of the caliper, and use a brass mandrel to move the piston from its place.
By blowing compressed air through the fluid inlet, push the piston out of the cylinder.
Carefully remove the O-ring.
Look carefully at the details. If there are marks or signs of wear on the piston or cylinder walls, replace the brake. It is best to replace the protective cap and piston o-ring with each disassembly, even if they appear to be in good condition.
Apply special brake cylinder grease to the piston, clamp the piston in a soft metal vise and insert the piston into the cylinder using a brass mandrel.
Replace the O-ring and protective cap.
Install the retaining spring on the piston with the bent end in the direction of rotation of the disc when moving forward.
Details of the brake mechanism of the front wheel brand ATE: 1 - guide spring; 3 - fitting for bleeding the brakes; 7 - protective cover; 10 - brake disc; 12 - guide pins; 13 - clamping spring; 14 - repair kit for replacing brake pads; 15 - retaining spring guide pins; 16 - sealing ring, dust cap and retaining ring.
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